Surface coated filter and method
US-12589347-B2 · Mar 31, 2026 · US
Making filtering elements not provided for elsewhere
Making filtering elements not provided for elsewhere · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B01D25/001 |
| Official title | {Making filtering elements not provided for elsewhere} |
| Display label | Making filtering elements not provided for elsewhere |
| Total patents | 31 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 4 |
| 2016 | 2 |
| 2017 | 6 |
| 2018 | 4 |
| 2019 | 5 |
| 2020 | 2 |
| 2022 | 1 |
| 2023 | 3 |
| 2024 | 2 |
| 2025 | 1 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Uniform spray-coating, cumulatively-stacking and squeezing solid-liquid separation system
US-2025205619-A1 · Jun 26, 2025 · US
Surface coated filter and method
US-2024173662-A1 · May 30, 2024 · US
Surface coated filter and method
US-11925892-B2 · Mar 12, 2024 · US
Filter arrangements; housings; assemblies; and, methods
US-11679352-B2 · Jun 20, 2023 · US
Surface coated filter and method
US-2023158439-A1 · May 25, 2023 · US
Surface coated filter method
US-11583796-B2 · Feb 21, 2023 · US
Filter arrangements; housings; assemblies; and, methods
US-2022072465-A1 · Mar 10, 2022 · US
Z-filter media pack arrangement; and, methods
US-RE48050-E · Jun 16, 2020 · US
Filtration module and method for producing same
US-10589194-B2 · Mar 17, 2020 · US
Snap-On Porous Filter Media For Filter Press Plates
US-2019336890-A1 · Nov 7, 2019 · US
Method for manufacturing a recess plate
US-10391426-B2 · Aug 27, 2019 · US
Method and apparatus for forming fluted filtration media having tapered flutes
US-10363513-B2 · Jul 30, 2019 · US
Surface coated filter method
US-2019105593-A1 · Apr 11, 2019 · US
Fluid filter apparatus having filter media wound about a winding frame
US-10213724-B2 · Feb 26, 2019 · US
Fluid filter apparatus having filter media wound about a winding frame
US-2018311605-A1 · Nov 1, 2018 · US
Method and apparatus for winding a filter element
US-10065146-B2 · Sep 4, 2018 · US
Fluid filter apparatus having filter media wound about a winding frame
US-10040020-B2 · Aug 7, 2018 · US
Z-filter media pack arrangement; and, methods
US-RE46700-E · Feb 6, 2018 · US
Method and apparatus for winding a filter element
US-2017333824-A1 · Nov 23, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01D25/001?
- CPC B01D25/001 is the Cooperative Patent Classification code for “Making filtering elements not provided for elsewhere.”
- How many patents are filed under CPC B01D25/001 (Making filtering elements not provided for elsewhere)?
- Our database includes 31 publications tagged with this CPC code.
- Is patent activity under CPC B01D25/001 growing?
- Publication counts under this code: 2 in 2024 vs 1 in 2025 (latest complete years).